Wooden Test Tube Support, 13-Place Material_Borosilicate Glass Thirteen-part muscular leg model reveals

Thirteen-part muscular leg model reveals muscle layers

Nine removable sections expose cortical hemispheres

the wider working face giving longer beam paths for clear refraction-angle measurements

the elongated triangular body fitting wider-beam refraction setups and class-front dispersion demonstrations

5V flash-lamp bulbs in student-built circuits and small-scale optics demonstrations

Wooden Test Tube Support, 13-Place Material_Borosilicate Glass Thirteen-part muscular leg model revealsThirteen place hardwood test tube rack combining seven 19 mm holes and six 25 mm holes with six draining pins for mixed size tube storage in student laboratories.